MCQ
A codon in $\text{mRNA}$ has:
- ✓$3$ bases
- B$2$ bases
- C$1$ base
- DNumber of bases vary
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Match the following columns
| Column-I | Column-II |
| $(A)$ Barrier | $(1)$ Copper$-T$ |
| $(B)$ $IUD$ | $(2)$ Vasectomy and tubectomy |
| $(C)$ Surgical technique | $(3)$ Condoms cervical Caps |
| $(D)$ Adminisitrating hormones | $(4)$ Oral, pill and saheli |